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Cheap flights from Montreal to London Heathrow Airport from C$ 433

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/2. Fares are subject to change and may not be available on all flights or dates of travel.
YMQ — LHR
22 Jan — 29 Jan1
1 adult

The best prices from Montreal to London Heathrow are usually found in September or February, booked 76 days in advance, depart on a Wednesday or Monday and return on a Tuesday

Cheap flight deals from Montreal to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Montreal (YMQ) to Heathrow (LHR). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 17 January 2025.

Round-trip from

C$ 801

One-way from

C$ 433

Popular in

December

Cheapest in

September

Average price

C$ 1,013
TAP AIR PORTUGAL
  • TAP AIR PORTUGAL
  • 12/3-16/3
  • 2 total stops
  • 42h 05m total
  • Montreal to London
Search Deals
10/2
  • 10/2
  • 3 total stops
  • 30h 45m total
  • Montreal to London
Search Deals
High demand for flights, 2% potential price rise
Search Deals
Best time to find cheap flights, 1% potential price drop
Search Deals
Average for round-trip flights in January 2025
Search Deals

Find flight deals from Montreal to Heathrow

Cheapest flights from Montreal to Heathrow
Explore the most affordable flight options available from Montreal to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 January 2025.

Wed 12/310:45 p.m.YUL - LHR
1 stop12h 45mTAP AIR PORTUGAL
Sun 16/37:55 p.m.LHR - YUL
1 stop29h 20mTAP AIR PORTUGAL
Deal found 15/1C$ 801
Mon 10/38:15 p.m.YUL - LHR
1 stop14h 10mMultiple Airlines
Mon 17/33:15 p.m.LHR - YUL
1 stop25h 35mMultiple Airlines
Deal found 15/1C$ 803
Wed 7/59:55 p.m.YUL - LHR
1 stop18h 05mAir Canada
Wed 14/56:50 a.m.LHR - YUL
1 stop9h 55mAir Canada
Deal found 16/1C$ 808
Fri 21/38:05 p.m.YUL - LHR
1 stop20h 45mVirgin Atlantic
Sun 23/37:35 p.m.LHR - YUL
1 stop21h 40mVirgin Atlantic
Deal found 14/1C$ 826
Sun 15/610:00 p.m.YUL - LHR
Nonstop6h 40mBritish Airways
Sat 28/66:05 p.m.LHR - YUL
Nonstop7h 10mBritish Airways
Deal found 15/1C$ 868
Wed 4/66:55 p.m.YUL - LHR
Nonstop6h 35mLufthansa
Thu 26/611:30 a.m.LHR - YUL
1 stop12h 55mLufthansa
Deal found 16/1C$ 870
Mon 10/38:05 p.m.YUL - LHR
1 stop13h 45mDelta
Fri 28/310:00 a.m.LHR - YUL
1 stop12h 10mDelta
Deal found 14/1C$ 937
Fri 14/27:05 p.m.YUL - LHR
1 stop14h 20mKLM
Thu 20/28:25 p.m.LHR - YUL
1 stop25h 45mKLM
Deal found 15/1C$ 990
Mon 17/28:50 p.m.YUL - LHR
Nonstop6h 50mFinnair
Thu 27/24:30 p.m.LHR - YUL
Nonstop7h 35mFinnair
Deal found 15/1C$ 1,009
Fri 7/28:50 p.m.YUL - LHR
Nonstop6h 50mAmerican Airlines
Tue 18/24:30 p.m.LHR - YUL
Nonstop7h 35mAmerican Airlines
Deal found 15/1C$ 1,016
Sat 15/37:35 p.m.YUL - LHR
1 stop13h 30mAustrian Airlines
Fri 21/37:25 p.m.LHR - YUL
1 stop23h 30mAustrian Airlines
Deal found 15/1C$ 1,042
Sun 2/28:25 p.m.YUL - LHR
1 stop30h 50mSWISS
Mon 17/26:00 a.m.LHR - YUL
1 stop14h 15mSWISS
Deal found 15/1C$ 1,054

Find flights from Montreal to Heathrow within your budget

Customize your flight search to find flights from Montreal to Heathrow that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 17 January 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Wed 12/3

10:45 p.m.-3:30 p.m.

1 stop12h 45m

London Heathrow

Sun 16/3

7:55 p.m.-9:15 p.m.

1 stop29h 20m

C$ 801

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Mon 10/3

8:15 p.m.-2:25 p.m.

1 stop14h 10m

London Heathrow

Mon 17/3

3:15 p.m.-12:50 p.m.

1 stop25h 35m

C$ 803

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Wed 7/5

9:55 p.m.-9:00 p.m.

1 stop18h 05m

London Heathrow

Wed 14/5

6:50 a.m.-11:45 a.m.

1 stop9h 55m

C$ 808

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Fri 21/3

8:05 p.m.-8:50 p.m.

1 stop20h 45m

London Heathrow

Sun 23/3

7:35 p.m.-1:15 p.m.

1 stop21h 40m

C$ 826

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Sun 15/6

10:00 p.m.-9:40 a.m.

Nonstop6h 40m

London Heathrow

Sat 28/6

6:05 p.m.-8:15 p.m.

Nonstop7h 10m

C$ 868

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Wed 4/6

6:55 p.m.-6:30 a.m.

Nonstop6h 35m

London Heathrow

Thu 26/6

11:30 a.m.-7:25 p.m.

1 stop12h 55m

C$ 870

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Mon 10/3

8:05 p.m.-1:50 p.m.

1 stop13h 45m

London Heathrow

Fri 28/3

10:00 a.m.-6:10 p.m.

1 stop12h 10m

C$ 937

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Fri 14/2

7:05 p.m.-2:25 p.m.

1 stop14h 20m

London Heathrow

Thu 20/2

8:25 p.m.-5:10 p.m.

1 stop25h 45m

C$ 990

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Mon 17/2

8:50 p.m.-8:40 a.m.

Nonstop6h 50m

London Heathrow

Thu 27/2

4:30 p.m.-7:05 p.m.

Nonstop7h 35m

C$ 1,009

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Sat 15/3

7:35 p.m.-1:05 p.m.

1 stop13h 30m

London Heathrow

Wed 26/3

6:00 a.m.-2:55 p.m.

1 stop12h 55m

C$ 1,042

Flights are sorted by cheapest round-trip flights first.

Deals found on 15/1

Showing 1-10 of 21 results
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Best time to book a flight from Montreal to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Montreal with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Montreal to Heathrow

Get recent, data-driven insights about flights from Montreal to Heathrow including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from Montreal to London Heathrow Airport?

Use this chart to determine the optimal time to book a round-trip flight from Montreal to Heathrow. Price data was last updated on 10 January 2025.

The price you pay for your flight from Montreal to London Heathrow Airport may vary depending on when you book. For the best chance of a lower fare, look to book 76 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Montreal to London Heathrow Airport?

Currently, January is the cheapest month in which you can book a flight from Montreal to London Heathrow Airport (average of C$ 560). Flying from Montreal to London Heathrow Airport in July is currently the most expensive (average of C$ 874). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from YMQ to LHR?

Find hourly flight availability from Montreal to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 17 January 2025.

When flying from Montreal to London Heathrow Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 20% versus a flight in the afternoon.

What is the cheapest day to fly from Montreal to London Heathrow Airport?

Use this chart to determine the cheapest time to fly round-trip from Montreal to Heathrow. Price data was last updated on 15 September 2024.

Travelers seeking maximum savings on their Montreal to London Heathrow Airport flight should consider departing on Sunday mornings when fares are most often at their lowest. Monday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Montreal to London Heathrow Airport

Explore weekly flight availability from Montreal to Heathrow. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 17 January 2025.

The most flights from YMQ to LHR are scheduled on a Wednesday (11 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (6 on average).

Rainfall in Heathrow by month

Plan your trip to Heathrow by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in London Heathrow Airport ranges from 40.0 - 70.0 mm per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.

Temperature in Heathrow by month

Plan your trip to Heathrow by taking into account the average temperature totals by month.

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Heathrow. Reviews last updated 17 January 2025.
Peruse reviews from past customers who have flown with Virgin Atlantic, Delta and Air Canada from Montreal to London to help guide your decision. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,511 reviews
Check prices

Entertainment

7.9

Overall

8.0

Crew

8.6

Comfort

8.0

Boarding

8.2

Food

7.3

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta
8.0
Very good
8,511 reviews
Delta
8.0
Very good
8,511 reviews
Check prices

Entertainment

7.9

Overall

8.0

Crew

8.6

Comfort

8.0

Boarding

8.2

Food

7.3

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM
7.8
Good
1,339 reviews
Delta
8.0
Very good
8,511 reviews
Check prices

Entertainment

7.9

Overall

8.0

Crew

8.6

Comfort

8.0

Boarding

8.2

Food

7.3

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Finnair
7.6
Good
1,285 reviews
Delta
8.0
Very good
8,511 reviews
Check prices

Entertainment

7.9

Overall

8.0

Crew

8.6

Comfort

8.0

Boarding

8.2

Food

7.3

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Austrian Airlines
7.6
Good
786 reviews
Delta
8.0
Very good
8,511 reviews
Check prices

Entertainment

7.9

Overall

8.0

Crew

8.6

Comfort

8.0

Boarding

8.2

Food

7.3

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from Montreal to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from Montreal to London Heathrow Airport round-trip?

    Currently priced at C$ 801, TAP AIR PORTUGAL will fly you from Montreal to London Heathrow Airport and back. In addition to TAP AIR PORTUGAL, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Air Canada and Virgin Atlantic - these airlines can fly you to your destination from C$ 849 and C$ 949, respectively. TAP AIR PORTUGAL is 24% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Montreal to London Heathrow Airport one-way?

    The cheapest airline one-way is WestJet, with whom users have recently found tickets for as low as C$ 447. However, be on the lookout for offers from TAP AIR PORTUGAL and Azores Airlines, as they are both options that can get you from Montreal to London Heathrow Airport for a low price.

  • What are the most reliable airlines from Montreal to London Heathrow Airport?

    The top 3 most reliable airlines when flying from Montreal to London Heathrow Airport are Aegean Airlines (65%), American Airlines (65%) and Finnair (65%).

  • What are the cheapest flights from Montreal to London Heathrow Airport?

    Looking for the cheapest flight from Montreal to London Heathrow Airport? While on average our users pay C$ 2,118, our data indicates the cheapest price to be C$ 929. The most popular route (Montreal Pierre Elliott Trudeau Intl - London Heathrow), is priced around C$ 740.

  • Can I find deals for flights from Montreal to Heathrow that include hotel bookings?

    Yes. In addition to deals on Montreal to Heathrow flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Montreal to Heathrow?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Montreal to Heathrow.

  • Can I find deals for business class flights from Montreal to Heathrow?

    Yes. Cheapflights offers flight deals from Montreal to Heathrow by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Montreal to London Heathrow Airport?

    Currently, January is the cheapest month in which you can book a flight from Montreal to London Heathrow Airport (average of C$ 560). Flying from Montreal to London Heathrow Airport in July is currently the most expensive (average of C$ 874). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Montreal?

Book flights to Montreal if you plan to visit one of these locations
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Fly from Montreal to Heathrow on these airlines

Choose from the following airlines for your flight from Montreal to Heathrow. Flights are based on user searches made on Cheapflights and were last updated on 17 January 2025.
Air Canada flights from Montreal to London Heathrow
British Airways flights from Montreal to London Heathrow
Lufthansa flights from Montreal to London Heathrow

Top 9 airlines flying from Montreal to Heathrow

Discover the top 9 airlines that operate flights from Montreal to Heathrow. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 17 January 2025.
AirlineCheapestAverageFlexibilityOn-time
FinnairCheapestC$ 490AverageC$ 1,103FlexibilityNo cancel feeOn-time76%
Search Finnair flights
TAP AIR PORTUGALCheapestC$ 644AverageC$ 709FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
Air TransatCheapestC$ 673AverageC$ 858FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Virgin AtlanticCheapestC$ 778AverageC$ 896FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
Air CanadaCheapestC$ 797AverageC$ 1,030FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
LufthansaCheapestC$ 803AverageC$ 1,035FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
British AirwaysCheapestC$ 845AverageC$ 1,110FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Air FranceCheapestC$ 860AverageC$ 933FlexibilityNo cancel feeOn-time77%
Search Air France flights
American AirlinesCheapestC$ 1,011AverageC$ 1,220FlexibilityNo cancel feeOn-time71%
Search American Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Montreal to Heathrow?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Montreal to Heathrow. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Montreal to Heathrow?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Heathrow from Montreal.

Can Cheapflights find flights from Montreal to Heathrow with no change fees?

Need flexible booking options for your flight to Heathrow from Montreal? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Montreal to Heathrow become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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